Methods for cleaning out horizontal wellbores using coiled tubing
US7878247B2 · kind B2 · utility
8Cited by
16References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 8, 2009 |
| Grant date | Feb 1, 2011 |
| Priority date | — |
| Expiry date | Apr 17, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/26
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Methods for cleaning out horizontal wellbores using coiled tubing are provided for use during downhole operations. A coiled tubing having a bottom hole assembly is deployed into a horizontal wellbore. Fluid is circulated down the annulus of the wellbore and up the bottom hole assembly while the bottom hole assembly is moved upward at a selected rate and distance. This method may be used to remove downhole solids, such as formation sands and proppant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.